Portola Hills Weather Forecast

    • 50
    • 68

    Mostly Sunny

    • 50
    • 66

    Partly Sunny

    • 60
    • 77

    Sunny

    • 66
    • 90

    Sunny

    • 64
    • 91

    Mostly Sunny

    • 60
    • 85

    Mostly Sunny

Today 9 Mar Orange County Inland

Mostly sunny. Cooler. Highs 70 to 74. Light Winds becoming southwest 10 Mph this afternoon.

Tonight 9 Mar Orange County Inland

Mostly clear in the evening. Becoming partly cloudy. Lows around 52. Areas of Winds southwest 10 Mph in the evening becoming light.

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Portola Hills Temperature Statistics

March Temperature

Corona Airport (13 miles)

  • Lowest 3 March, 2026

    42.1 °F

  • Average March

    61.6 °F

  • Highest 1 March, 2026

    84 °F

Climate (2021–Present)

Corona Airport (13 miles)

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  • Average Low 2021–2026

    52.2 °F

  • Average 2021–2026

    64.9 °F

  • Average High 2021–2026

    78.1 °F
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